Going vegetarian helped me conceive?

So backstory my husband and I had already been together for 6 years and we never actually tried to conceive but we also didnt do anything to prevent. Well after about 5 yrs we figured we just couldn't have kids and were content, then I went full blown vegetarian from one day to another and a year later bammm I was pregnant! Nothing changed yall we were having the same amount of sex and maybe it was wild luck or maybe my new diet helped out just thought I'd put it out there!